Fishing sinker



FIG. 1 is a perspective view of a fishing sinker showing our new design;

FIG. 2 is a side elevation view;

FIG. 3 is a front elevation view;

FIG. 4 is a rear elevation view;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view. 

The ornamental design for a fishing sinker, substantially as shown and described. 